了解任何事情的最佳方式就是动手去做。
The best way of learning about anything is by doing.
The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.
The best stories are the ones that feel inevitable, even if they surprise you.
最伟大的定理是那些揭示隐藏联系的定理。